Description

Lactoferrin (673-679) is a bioactive glycoprotein fragment derived from the iron-binding protein lactoferrin. This specific peptide sequence is valued for its potent antimicrobial and immunomodulatory properties, making it a critical component in advanced research and high-value formulations. It is essential for B2B clients in the pharmaceutical, nutraceutical, and cosmeceutical industries seeking to develop innovative therapeutic and functional products. The compound is identified by CAS No. 117667-27-3.

Application

• Pharmaceutical Research: As a key intermediate or active ingredient in the development of novel antimicrobial and anti-inflammatory drugs.
• Functional Food & Nutraceuticals: Incorporated into dietary supplements and fortified foods for immune system support and gut health promotion.
• Cosmeceutical Formulations: Used in high-end skincare products for its anti-aging, anti-acne, and skin-barrier enhancing properties.
• Biomedical Studies: Serves as a standard or reagent in biochemical and immunological research to study host defense mechanisms.
• Veterinary Applications: Applied in animal health products to improve immunity and overall wellness in livestock and pets.
• Cell Culture & Diagnostics: Potential use in specialized cell culture media or as a component in diagnostic assay development.

Basic Information

Product Name	Lactoferrin (673-679)
CAS No.	117667-27-3
Molecular Formula	C34H53N9O9
Molecular Weight	707.85 g/mol
Synonyms	Lactoferricin (673-679); Lactoferrin fragment 673-679; Lfcin (673-679); H-Lys-Arg-Arg-Trp-Gln-Trp-Arg-Met-OH; Lactoferrin-derived antimicrobial peptide; FKCRRWQWRM; Bovine Lactoferricin (17-25).
EINECS	Contact for details

Quality Control

Our Lactoferrin (673-679) is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, mass spectrometry for identity confirmation, and endotoxin testing where applicable, to ensure it meets the high standards required for research and formulation. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive); allow the vial to equilibrate to room temperature in a desiccator before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Peptide Content	≥ 80.0% (by weight)
Water Content (KF)	≤ 5.0%
Residual Solvents	Meets ICH guidelines
Bacterial Endotoxins	< 10 EU/mg (if applicable)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.